Lens aperture is one of the key tools for photographers for adjusting the exposure and for achieving specific creative depth of field effects. The lens aperture is an adjustable hole created by a diaphragm within the camera lens. When you change the size of this hole, you change the amount of light allowed to pass […]
This is the maximum light-gathering power of a lens and a major selling point.It lets you use faster shutter speeds or lower ISO settings in poor light. The smaller the aperture number, the wider the aperture. F/2.8 is fast for a zoom lens, but prime lenses may have faster maximum apertures of f/2, f/1.4 or even f/1.2.
Depth of field is the near to far sharpness in your pictures. A picture with shallow depth of field has only the main subject in focus, and everything in front of it and behind it is blurred. The opposite is a picture with deep depth of field, where everything is sharp from right up close […]
The advantage of interchangeable lens cameras like DSLRs and mirrorless cameras is that you can change lenses for different kinds of photography. There are many different types of lenses, often with specific names. Lenses are usually characterised or grouped by their focal length. It might be more useful to use their angle of view instead, […]